Set the Default Diagram
A project might have a default diagram. If set, this diagram loads when Enterprise Architect first opens the model. It is often convenient to place hyperlinks to other diagrams and resources on the default diagram, thus creating a Home Page for your model.
Access Diagram | Advanced | Make Model Default
|•||Once you have specified a default diagram, the Home icon on the Diagram toolbar takes you back to that diagram from your current location in the model|